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<?php |
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namespace Anax\Database; |
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use \Anax\Database\DatabaseQueryBuilder; |
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use \Anax\Database\Exception\ActiveRecordException; |
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/** |
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* An implementation of the Active Record pattern to be used as |
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* base class for database driven models. |
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*/ |
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class ActiveRecordModel |
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{ |
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/** |
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* @var DatabaseQueryBuilder $db the object for persistent |
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* storage. |
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*/ |
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protected $db = null; |
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/** |
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* @var string $tableName name of the database table. |
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*/ |
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protected $tableName = null; |
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/** |
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* Set the database object to use for accessing storage. |
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* |
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* @param DatabaseQueryBuilder $db as database access object. |
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* |
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* @return void |
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*/ |
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public function setDb(DatabaseQueryBuilder $db) |
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{ |
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$this->db = $db; |
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} |
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/** |
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* Check if database is injected or throw an exception. |
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* |
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* @throws ActiveRecordException when database is not set. |
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* |
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* @return void |
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*/ |
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protected function checkDb() |
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{ |
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if (!$this->db) { |
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throw new ActiveRecordException("Missing \$db, did you forget to inject/set is?"); |
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} |
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} |
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/** |
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* Get essential object properties. |
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* |
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* @return array with object properties. |
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*/ |
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private function getProperties() |
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{ |
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$properties = get_object_vars($this); |
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unset($properties['tableName']); |
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unset($properties['db']); |
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unset($properties['di']); |
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return $properties; |
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} |
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/** |
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* Find and return first object found by search criteria and use |
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* its data to populate this instance. |
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* |
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* @param string $column to use in where statement. |
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* @param mixed $value to use in where statement. |
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* |
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* @return this |
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*/ |
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public function find($column, $value) |
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{ |
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$this->checkDb(); |
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return $this->db->connect() |
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->select() |
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->from($this->tableName) |
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->where("$column = ?") |
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->execute([$value]) |
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->fetchInto($this); |
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} |
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/** |
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* Find and return all. |
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* |
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* @return array |
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*/ |
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public function findAll() |
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{ |
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$this->checkDb(); |
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return $this->db->connect() |
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->select() |
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->from($this->tableName) |
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->execute() |
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->fetchAllClass(get_class($this)); |
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} |
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/** |
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* Save current object/row, insert if id is missing and do an |
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* update if the id exists. |
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* |
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* @return void |
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*/ |
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public function save() |
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{ |
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if (isset($this->id)) { |
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return $this->update(); |
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} |
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return $this->create(); |
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} |
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/** |
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* Create new row. |
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* |
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* @return void |
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*/ |
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View Code Duplication |
private function create() |
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{ |
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$this->checkDb(); |
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$properties = $this->getProperties(); |
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unset($properties['id']); |
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$columns = array_keys($properties); |
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$values = array_values($properties); |
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$this->db->connect() |
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->insert($this->tableName, $columns) |
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->execute($values); |
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$this->id = $this->db->lastInsertId(); |
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} |
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/** |
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* Update row. |
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* |
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* @return void |
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*/ |
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View Code Duplication |
private function update() |
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{ |
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$this->checkDb(); |
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$properties = $this->getProperties(); |
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unset($properties['id']); |
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$columns = array_keys($properties); |
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$values = array_values($properties); |
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$values[] = $this->id; |
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$this->db->connect() |
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->update($this->tableName, $columns) |
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->where("id = ?") |
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->execute($values); |
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} |
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/** |
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* Delete row. |
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* |
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* @param integer $id to delete or use $this->id as default. |
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* |
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* @return void |
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*/ |
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public function delete($id = null) |
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{ |
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$this->checkDb(); |
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$id = $id ?: $this->id; |
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$this->db->connect() |
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->deleteFrom($this->tableName) |
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->where("id = ?") |
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->execute([$id]); |
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$this->id = null; |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: